Used to verify that a port is working. This one works with Norton Utilities: Norton Diagnostics from Symantec.
 (To Computer).
 (To Computer).
9 PIN D-SUB FEMALE to Computer.
| Name | Pin | Pin | Pin | Pin | 
|---|---|---|---|---|
| Jumpering 1 | 2 | 3 | ||
| Jumpering 2 | 7 | 8 | ||
| Jumpering 3 | 1 | 4 | 6 | 9 | 
| Contributor: | Joakim Ögren | 
| Source: | ? | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10